html {
  position: relative;
}
.head {
  position: absolute;
  top: 0;
  height: 60px;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
}
.head .logo h2 {
  float: left;
  font-size: 28px;
  line-height: 60px;
  color: #fff;
}
.head .logo img {
  margin: 13px 20px 0px 50px;
  width: 50px;
  float: left;
}
.head .layui-nav {
  background: transparent;
}
.head .layui-nav .layui-nav-item a {
  color: #fff;
}
.layui-side {
  margin-top: 60px;
}
.layui-side .layui-side-scroll {
  width: 200px;
}
.layui-side .layui-nav {
  background: #24c2cd;
}
.layui-side .layui-nav .layui-nav-item {
  width: 100%;
  border-bottom: 1px solid #2eafb8;
}
.layui-side .layui-nav-tree {
  width: 200px;
}
.layui-side .layui-nav-tree .iconfont {
  margin: 0 20px;
}
.layui-bg-new {
  background: #24c2cd;
}
.childrenBody{
  position: relative;
}
.cont{
  position: absolute;
  top: 60px;
  left: 200px;
  width: 90%;
}
